Quick answer: Choose a marketing agency in the Netherlands by checking whether it understands your commercial problem, can demonstrate relevant work and offers a clear scope with measurable responsibilities. Compare who does the work, how results are reported, what you own and how the engagement ends. Ask for evidence behind promises before signing.
In this guide: Prepare a useful brief · Ask questions that reveal the delivery model · Evaluate case studies carefully · Compare proposals using a written scorecard · Ask specific questions about GEO and AI · Make the first engagement reviewable · Frequently asked questions
A good agency selection process begins before the first sales call. If your brief only asks for “more leads,” proposals may describe very different services. One agency may propose paid search, another a website rebuild and another a content programme. You need a common basis for comparison.
This guide is an evaluation framework, not a ranking of Dutch agencies. Stefano Marketing Agency should be assessed against the same standards as any other provider.
Prepare a useful brief
Describe the business, offer, service area, priority customer, current problem and existing marketing activity. Share the evidence you have: enquiry quality, sales conversion, website issues or customer feedback. If the data is missing, say so.
State your budget range, internal availability, language requirements and practical deadlines. A Dutch-market campaign may need Dutch customer research and copy review even if your website also serves English-speaking customers.
Ask every shortlisted agency to explain the same scope. This makes it easier to identify meaningful differences rather than comparing unrelated packages.
Ask questions that reveal the delivery model
| Question | A useful answer includes |
|---|---|
| What problem would you investigate first? | A diagnosis connected to the brief, with assumptions identified. |
| Who will do the work? | Roles, responsibilities and relevant experience. |
| What exactly is included? | Deliverables, cadence, revisions, dependencies and exclusions. |
| How will success be measured? | Definitions, baseline, reporting and commercial outcomes. |
| What access do you need? | A specific reason for each account or data request. |
| What will we own? | Clear treatment of accounts, content, source files and handover. |
| How does the engagement end? | Notice, transfer steps, outstanding work and ongoing dependencies. |
Ask follow-up questions about vague terms. “Optimization” could mean weekly account review, a monthly report or substantial implementation. Make the activity and owner explicit.
Evaluate case studies carefully
Look for a defined starting situation, the work performed, the measurement period and the result. Ask whether the agency's work can reasonably explain the change or whether other factors were involved.
A percentage improvement without a baseline can be misleading. Two enquiries becoming four is a 100% increase, but it is a small observation. A revenue figure also needs context about spend, margins and attribution.
Relevant experience can include similar customer journeys or implementation challenges; it does not always require an identical industry. Where confidential work cannot be shared, a provider can explain its process without inventing a substitute testimonial.
Compare proposals using a written scorecard
Choose criteria before you assess the proposals. For example: problem understanding, scope clarity, relevant evidence, measurement, communication, ownership and commercial fit. Score each from one to five and record the reason.
Weights should reflect your situation. A regulated or technically complex project may need specialist review. A small company with limited internal time may value clear project management. Avoid assigning a high score merely because a proposal contains more activities.
When comparing prices, separate agency fees, media spend, software and production. Clarify whether quoted amounts include or exclude VAT. Review contractual commitments with an appropriate adviser when necessary; this article is a selection framework rather than a contract interpretation.
Ask specific questions about GEO and AI
For GEO work, ask which pages will improve, which evidence will be developed and how mentions and citations will be observed. An agency should distinguish ChatGPT, Gemini and Google Search's AI features. Ask what the report can establish and what remains uncertain.
For AI-powered production, ask who supplies the subject expertise, how factual claims are checked and who authorizes publication. A high volume of generated articles is not a useful outcome by itself.
Be cautious about guaranteed rankings, guaranteed assistant recommendations or proprietary scores presented as universal measures. Request a clear explanation of the method and its limits.
Make the first engagement reviewable
Agree on a realistic starting scope with deliverables, owners and a review date. Document what you must supply, including approvals and access. Ensure the agency can explain its decisions in language the business understands.
Stefano's public website describes marketing and web-design services. Use the current service information and a written proposal to confirm the exact work available for your project. Do not assume that an educational article automatically defines a purchasable package.
Frequently asked questions
Must the agency be based in the Netherlands?
Location can help with language, market context and collaboration, but capability and working fit matter. Decide which local requirements are genuinely important to your project.
How many agencies should we compare?
Compare a manageable shortlist using the same brief. The goal is enough evidence to make a decision, not an open-ended competition that consumes your team's time.
What should happen before we sign?
Confirm scope, responsibilities, costs, ownership, reporting and exit arrangements. Resolve material assumptions in writing so both sides share the same understanding.
Sources and further reading
Platform guidance checked on 12 October 2026. Frameworks and illustrative examples are editorial guidance; they are not platform ranking formulas or reported client results.
Continue reading
- In-House Marketing, Freelancer or Agency: Which Is Right for Your Business?
- What Does a GEO Agency Do? Deliverables, Questions and Red Flags
- How to Build a 90-Day Marketing Strategy for a Small Business
Plan your next step. Discuss your website and marketing priorities with Stefano Marketing Agency. We can clarify your goals and agree on the appropriate scope.